UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'shJK1MhJpA87CsqmzVznb/ZArOmdv0+wynGebOvxoGM=' 
WHERE 
  key_id = '508a978218decb2c264e142b503386726b5317e702720f24cfe14bc22742c09c' 
  AND (
    token = 'shJK1MhJpA87CsqmzVznb/ZArOmdv0+wynGebOvxoGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )